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Introduce MAP_HUGETLB

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Justine Tunney 2024-05-22 12:10:03 -07:00
parent 9b87dd2b87
commit f029375d39
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GPG key ID: BE714B4575D6E328
6 changed files with 7 additions and 3 deletions
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3
libc/calls/pledge-linux.c
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@ -1641,7 +1641,6 @@ static privileged void AllowMmapExec(struct Filter *f) {
//
// - MAP_LOCKED (0x02000)
// - MAP_NONBLOCK (0x10000)
// - MAP_HUGETLB (0x40000)
//
static privileged void AllowMmapNoexec(struct Filter *f) {
static const struct sock_filter fragment[] = {
@ -1650,7 +1649,7 @@ static privileged void AllowMmapNoexec(struct Filter *f) {
/*L2*/ BPF_STMT(BPF_ALU | BPF_AND | BPF_K, ~(PROT_READ | PROT_WRITE)),
/*L3*/ BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, 0, 8 - 4),
/*L4*/ BPF_STMT(BPF_LD | BPF_W | BPF_ABS, OFF(args[3])), // flags
/*L5*/ BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x52000),
/*L5*/ BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x12000),
/*L6*/ BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, 0, 1),
/*L7*/ BPF_STMT(BPF_RET | BPF_K, SECCOMP_RET_ALLOW),
/*L8*/ BPF_STMT(BPF_LD | BPF_W | BPF_ABS, OFF(nr)),